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How to remove a SubList from a List in Java

Last Updated : 11 Jul, 2025

Given a list in Java, the task is to remove all the elements in the

whose index is between fromIndex, inclusive, and toIndex, exclusive. The range of the index is defined by the user.

Input list = [1, 2, 3, 4, 5, 6, 7, 8], fromIndex = 2, endIndex = 4 Output [1, 2, 5, 6, 7, 8] Input list = ['G', 'E', 'E', 'G', 'G', 'K', 'S'], fromIndex = 3, endIndex = 5 Output ['G', 'E', 'E', 'K', 'S']

• Method 1: Using subList() and clear() methodSyntax:

  List.subList(int fromIndex, int toIndex).clear()
  

  Example: Java

  // Java code to remove a subList using
  // subList(a, b).clear() method
  
  import java.util.*;
  
  public class AbstractListDemo {
      public static void main(String args[])
      {
  
          // Creating an empty AbstractList
          AbstractList<String>
              list = new LinkedList<String>();
  
          // Using add() method
          // to add elements in the list
          list.add("GFG");
          list.add("for");
          list.add("Geeks");
          list.add("computer");
          list.add("portal");
  
          // Output the list
          System.out.println("Original List: "
                             + list);
  
          // subList and clear method
          // to remove elements
          // specified in the range
          list.subList(1, 3).clear();
  
          // Print the final list
          System.out.println("Final List: "
                             + list);
      }
  }
  

  Output:

  Original List: [GFG, for, Geeks, computer, portal]
  Final List: [GFG, computer, portal]
  

  Note: Classes which can inherit AbstractList:
  • ArrayList
  • Vector
  • LinkedList
  • Stack
• Method 2: Using removeRange() methodSyntax:

  List.removeRange(int fromIndex, int toIndex)
  

  Example: Java

  // Java code to remove a subList
  // using removeRange() method
  
  import java.util.*;
  
  // since removeRange() is a protected method
  // ArrayList has to be extend the class
  public class GFG extends ArrayList<Integer> {
  
      public static void main(String[] args)
      {
  
          // create an empty array list
  
          GFG arr = new GFG();
  
          // use add() method
          // to add values in the list
          arr.add(1);
          arr.add(2);
          arr.add(3);
          arr.add(4);
          arr.add(5);
          arr.add(6);
          arr.add(7);
          arr.add(8);
  
          // prints the list before removing
          System.out.println("Original List: "
                             + arr);
  
          // removing elements in the list
          // from index 2 to 4
          arr.removeRange(2, 4);
          System.out.println("Final List: "
                             + arr);
      }
  }
  

  Output:

  Original List: [1, 2, 3, 4, 5, 6, 7, 8]
  Final List: [1, 2, 5, 6, 7, 8]
  

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